Place Jerk Seasoning In A Large Resealable Plastic Bag; Add Chicken Wings, A Few At A Time, And Shake To Coat. In A Small Bowl, Combine The Barbecue Sauce, Brown Sugar, Mustard And Ginger; Set Aside. Moisten A Paper Towel With Cooking Oil; Using Long-Handled Tongs, Lightly Coat The Grill Rack. Grill Chicken Wings, Covered, Over Medium Heat Or Broil 4 In. From The Heat For 12-16 Minutes, Turning Occasionally. Brush With Sauce. Grill Or Broil, Uncovered, 8-10 Minutes Longer Or Until Juices Run Clear, Basting And Turning Several Times.